有没有办法使用合成属性而不是使用findItem方法访问在fragment_photo_gallery布局中定义的menu_item_search菜单项?
override fun onCreateOptionsMenu(menu: Menu, menuInflater: MenuInflater) {
super.onCreateOptionsMenu(menu, menuInflater)
menuInflater.inflate(R.menu.fragment_photo_gallery, menu)
//is there a way to access searchItem using synthetic properties?
val searchItem = menu.findItem(R.id.menu_item_search)
}